This might be caused by an earthquake or it might happen after a heavy rain or when soil becomes waterlogged after a fall of snow.
山崩可能地震引起，也可能发生在大雨后或雪后因泥土浸满了水而引起。
2
The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method.
应用淹水培养方法 ，研究了铵态氮肥对土壤氮素的激发效应。
3
Soil profiles observation and soil samples physical properties analysis methods were adopted to study the possible factors contribute to form the waterlogged land.